80mm exhaust pipe window fixing ring

80mm Exhaust Pipe Window Fixing Ring (No Hardware, No Magnet)I originally purchased a magnetic fixing ring, but during the installation of the screen window, it fell out of the window! So, I created a very simple solution that doesn't require magnets; you only need to buy a metal pipe clamp (as shown in the picture).You can also use tape or other methods for fixing. As long as your window has a window groove, you can hang it on the window like in the second picture, or you can also place it on top of the window like in the third image.80mm排氣管窗戶固定圈(NO五金NO磁鐵)我原本有購買磁吸式的固定環，但在安裝好關紗窗的過程他墜樓了!!!於是我做了一個非常簡易的、不需要磁鐵的、僅須自己購買金屬管束(如圖)或是直接用膠帶及其他方式固定都可以只要你的窗戶有窗溝就可以像圖二那樣掛在窗戶上，或是你想像圖三一樣卡在窗戶上面也可以